FPCN11 CWTO 091612 AAA
UPDATED FORECASTS FOR SOUTHERN ONTARIO AND THE NATIONAL CAPITAL
REGION ISSUED BY ENVIRONMENT CANADA AT 12:11 P.M. EDT SATURDAY 9 MAY
2026 FOR TODAY AND SUNDAY.
THE NEXT SCHEDULED FORECAST WILL BE ISSUED AT 3:30 P.M. EDT.

SARNIA - PETROLIA - WESTERN LAMBTON COUNTY.
TODAY..A MIX OF SUN AND CLOUD WITH 60 PERCENT CHANCE OF SHOWERS AND
 RISK OF A THUNDERSTORM. WIND SOUTH 30 KM/H BECOMING WEST 30 GUSTING
 TO 50 LATE THIS AFTERNOON. HIGH 19. UV INDEX 5 OR MODERATE.
TONIGHT..PARTLY CLOUDY. BECOMING CLEAR NEAR MIDNIGHT. WIND WEST
 30 KM/H GUSTING TO 50 BECOMING LIGHT LATE THIS EVENING. LOW PLUS 3
 WITH RISK OF FROST.
SUNDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE AFTERNOON.
 HIGH 14. UV INDEX 7 OR HIGH.

WATFORD - PINERY PARK - EASTERN LAMBTON COUNTY.
TODAY..A MIX OF SUN AND CLOUD WITH 60 PERCENT CHANCE OF SHOWERS AND
 RISK OF A THUNDERSTORM. WIND SOUTH 30 KM/H BECOMING WEST 30 GUSTING
 TO 50 LATE THIS AFTERNOON. HIGH 19. UV INDEX 6 OR HIGH.
TONIGHT..PARTLY CLOUDY. CLEARING AFTER MIDNIGHT. WIND WEST 30 KM/H
 GUSTING TO 50 BECOMING LIGHT AFTER MIDNIGHT. LOW PLUS 3 WITH RISK OF
 FROST.
SUNDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE AFTERNOON.
 HIGH 14. UV INDEX 7 OR HIGH.

LONDON - PARKHILL - EASTERN MIDDLESEX COUNTY.
TODAY..A MIX OF SUN AND CLOUD WITH 60 PERCENT CHANCE OF SHOWERS AND
 RISK OF A THUNDERSTORM. WIND SOUTHWEST 30 KM/H GUSTING TO 50.
 HIGH 18. UV INDEX 6 OR HIGH.
TONIGHT..PARTLY CLOUDY. CLEARING LATE THIS EVENING. WIND SOUTHWEST
 30 KM/H GUSTING TO 50 BECOMING LIGHT LATE THIS EVENING. LOW PLUS 2
 WITH RISK OF FROST.
SUNDAY..SUNNY. BECOMING A MIX OF SUN AND CLOUD IN THE AFTERNOON. WIND
 BECOMING NORTHWEST 20 KM/H LATE IN THE MORNING. HIGH 14. UV INDEX 7
 OR HIGH.

REMAINDER UNCHANGED.

END